Informe de Análisis Exploratorio de Datos

Dataset statistics

Number of variables	12
Number of observations	6497
Missing cells	0
Missing cells (%)	0.0%
Duplicate rows	993
Duplicate rows (%)	15.3%
Total size in memory	609.2 KiB
Average record size in memory	96.0 B

Variable types

Numeric	12

Alerts

Dataset has 993 (15.3%) duplicate rows	Duplicates
`alcohol` is highly overall correlated with `density`	High correlation
`chlorides` is highly overall correlated with `density`	High correlation
`density` is highly overall correlated with `alcohol` and 2 other fields	High correlation
`free_sulfur_dioxide` is highly overall correlated with `total_sulfur_dioxide`	High correlation
`residual_sugar` is highly overall correlated with `density`	High correlation
`total_sulfur_dioxide` is highly overall correlated with `free_sulfur_dioxide`	High correlation
`citric_acid` has 151 (2.3%) zeros	Zeros

Reproduction

Analysis started	2024-12-21 15:11:25.379816
Analysis finished	2024-12-21 15:11:40.445697
Duration	15.07 seconds
Software version	ydata-profiling vv4.12.1
Download configuration	config.json

fixed_acidity
Real number (ℝ)

Distinct	106
Distinct (%)	1.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	7.2153071

Minimum	3.8
Maximum	15.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	3.8
5-th percentile	5.7
Q1	6.4
median	7
Q3	7.7
95-th percentile	9.8
Maximum	15.9
Range	12.1
Interquartile range (IQR)	1.3

Descriptive statistics

Standard deviation	1.2964338
Coefficient of variation (CV)	0.17967825
Kurtosis	5.0611607
Mean	7.2153071
Median Absolute Deviation (MAD)	0.6
Skewness	1.7232896
Sum	46877.85
Variance	1.6807405
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
6.8	354	5.4%
6.6	327	5.0%
6.4	305	4.7%
7	282	4.3%
6.9	279	4.3%
7.2	273	4.2%
6.7	264	4.1%
7.1	257	4.0%
6.5	242	3.7%
7.4	238	3.7%
Other values (96)	3676	56.6%

Value	Count	Frequency (%)
3.8	1	< 0.1%
3.9	1	< 0.1%
4.2	2	< 0.1%
4.4	3	< 0.1%
4.5	1	< 0.1%
4.6	2	< 0.1%
4.7	6	0.1%
4.8	9	0.1%
4.9	8	0.1%
5	30	0.5%

Value	Count	Frequency (%)
15.9	1	< 0.1%
15.6	2	< 0.1%
15.5	2	< 0.1%
15	2	< 0.1%
14.3	1	< 0.1%
14.2	1	< 0.1%
14	1	< 0.1%
13.8	1	< 0.1%
13.7	2	< 0.1%
13.5	1	< 0.1%

volatile_acidity
Real number (ℝ)

Distinct	187
Distinct (%)	2.9%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.339666

Minimum	0.08
Maximum	1.58
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.08
5-th percentile	0.16
Q1	0.23
median	0.29
Q3	0.4
95-th percentile	0.67
Maximum	1.58
Range	1.5
Interquartile range (IQR)	0.17

Descriptive statistics

Standard deviation	0.16463647
Coefficient of variation (CV)	0.48470107
Kurtosis	2.8253724
Mean	0.339666
Median Absolute Deviation (MAD)	0.08
Skewness	1.4950965
Sum	2206.81
Variance	0.027105169
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.28	286	4.4%
0.24	266	4.1%
0.26	256	3.9%
0.25	238	3.7%
0.22	235	3.6%
0.27	232	3.6%
0.23	221	3.4%
0.2	217	3.3%
0.3	214	3.3%
0.32	205	3.2%
Other values (177)	4127	63.5%

Value	Count	Frequency (%)
0.08	4	0.1%
0.085	1	< 0.1%
0.09	1	< 0.1%
0.1	6	0.1%
0.105	6	0.1%
0.11	13	0.2%
0.115	3	< 0.1%
0.12	37	0.6%
0.125	3	< 0.1%
0.13	44	0.7%

Value	Count	Frequency (%)
1.58	1	< 0.1%
1.33	2	< 0.1%
1.24	1	< 0.1%
1.185	1	< 0.1%
1.18	1	< 0.1%
1.13	1	< 0.1%
1.115	1	< 0.1%
1.1	1	< 0.1%
1.09	1	< 0.1%
1.07	1	< 0.1%

citric_acid
Real number (ℝ)

Zeros

Distinct	89
Distinct (%)	1.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.31863322

Minimum	0
Maximum	1.66
Zeros	151
Zeros (%)	2.3%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0
5-th percentile	0.05
Q1	0.25
median	0.31
Q3	0.39
95-th percentile	0.56
Maximum	1.66
Range	1.66
Interquartile range (IQR)	0.14

Descriptive statistics

Standard deviation	0.14531786
Coefficient of variation (CV)	0.45606628
Kurtosis	2.3972392
Mean	0.31863322
Median Absolute Deviation (MAD)	0.07
Skewness	0.47173067
Sum	2070.16
Variance	0.021117282
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.3	337	5.2%
0.28	301	4.6%
0.32	289	4.4%
0.49	283	4.4%
0.26	257	4.0%
0.34	249	3.8%
0.29	244	3.8%
0.27	236	3.6%
0.24	232	3.6%
0.31	230	3.5%
Other values (79)	3839	59.1%

Value	Count	Frequency (%)
0	151	2.3%
0.01	40	0.6%
0.02	56	0.9%
0.03	32	0.5%
0.04	41	0.6%
0.05	25	0.4%
0.06	30	0.5%
0.07	34	0.5%
0.08	37	0.6%
0.09	42	0.6%

Value	Count	Frequency (%)
1.66	1	< 0.1%
1.23	1	< 0.1%
1	6	0.1%
0.99	1	< 0.1%
0.91	2	< 0.1%
0.88	1	< 0.1%
0.86	1	< 0.1%
0.82	2	< 0.1%
0.81	2	< 0.1%
0.8	2	< 0.1%

residual_sugar
Real number (ℝ)

High correlation

Distinct	316
Distinct (%)	4.9%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	5.4432353

Minimum	0.6
Maximum	65.8
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.6
5-th percentile	1.2
Q1	1.8
median	3
Q3	8.1
95-th percentile	15
Maximum	65.8
Range	65.2
Interquartile range (IQR)	6.3

Descriptive statistics

Standard deviation	4.7578037
Coefficient of variation (CV)	0.87407644
Kurtosis	4.3592719
Mean	5.4432353
Median Absolute Deviation (MAD)	1.7
Skewness	1.4354043
Sum	35364.7
Variance	22.636696
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	235	3.6%
1.8	228	3.5%
1.6	223	3.4%
1.4	219	3.4%
1.2	195	3.0%
2.2	187	2.9%
2.1	179	2.8%
1.9	176	2.7%
1.7	175	2.7%
1.5	172	2.6%
Other values (306)	4508	69.4%

Value	Count	Frequency (%)
0.6	2	< 0.1%
0.7	7	0.1%
0.8	25	0.4%
0.9	41	0.6%
0.95	4	0.1%
1	93	1.4%
1.05	1	< 0.1%
1.1	146	2.2%
1.15	3	< 0.1%
1.2	195	3.0%

Value	Count	Frequency (%)
65.8	1	< 0.1%
31.6	2	< 0.1%
26.05	2	< 0.1%
23.5	1	< 0.1%
22.6	1	< 0.1%
22	2	< 0.1%
20.8	2	< 0.1%
20.7	2	< 0.1%
20.4	1	< 0.1%
20.3	1	< 0.1%

chlorides
Real number (ℝ)

High correlation

Distinct	214
Distinct (%)	3.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.056033862

Minimum	0.009
Maximum	0.611
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.009
5-th percentile	0.028
Q1	0.038
median	0.047
Q3	0.065
95-th percentile	0.102
Maximum	0.611
Range	0.602
Interquartile range (IQR)	0.027

Descriptive statistics

Standard deviation	0.035033601
Coefficient of variation (CV)	0.62522197
Kurtosis	50.898051
Mean	0.056033862
Median Absolute Deviation (MAD)	0.011
Skewness	5.3998277
Sum	364.052
Variance	0.0012273532
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.044	206	3.2%
0.036	200	3.1%
0.042	187	2.9%
0.046	185	2.8%
0.048	182	2.8%
0.05	182	2.8%
0.04	182	2.8%
0.047	175	2.7%
0.045	174	2.7%
0.034	169	2.6%
Other values (204)	4655	71.6%

Value	Count	Frequency (%)
0.009	1	< 0.1%
0.012	3	< 0.1%
0.013	1	< 0.1%
0.014	4	0.1%
0.015	4	0.1%
0.016	5	0.1%
0.017	5	0.1%
0.018	10	0.2%
0.019	9	0.1%
0.02	16	0.2%

Value	Count	Frequency (%)
0.611	1	< 0.1%
0.61	1	< 0.1%
0.467	1	< 0.1%
0.464	1	< 0.1%
0.422	1	< 0.1%
0.415	3	< 0.1%
0.414	2	< 0.1%
0.413	1	< 0.1%
0.403	1	< 0.1%
0.401	1	< 0.1%

free_sulfur_dioxide
Real number (ℝ)

High correlation

Distinct	135
Distinct (%)	2.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	30.525319

Minimum	1
Maximum	289
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	1
5-th percentile	6
Q1	17
median	29
Q3	41
95-th percentile	61
Maximum	289
Range	288
Interquartile range (IQR)	24

Descriptive statistics

Standard deviation	17.7494
Coefficient of variation (CV)	0.58146483
Kurtosis	7.9062381
Mean	30.525319
Median Absolute Deviation (MAD)	12
Skewness	1.2200661
Sum	198323
Variance	315.04119
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
29	183	2.8%
6	170	2.6%
26	161	2.5%
15	157	2.4%
24	152	2.3%
31	152	2.3%
17	149	2.3%
34	146	2.2%
35	144	2.2%
23	142	2.2%
Other values (125)	4941	76.1%

Value	Count	Frequency (%)
1	3	< 0.1%
2	2	< 0.1%
3	59	0.9%
4	52	0.8%
5	129	2.0%
5.5	1	< 0.1%
6	170	2.6%
7	96	1.5%
8	91	1.4%
9	91	1.4%

Value	Count	Frequency (%)
289	1	< 0.1%
146.5	1	< 0.1%
138.5	1	< 0.1%
131	1	< 0.1%
128	1	< 0.1%
124	1	< 0.1%
122.5	1	< 0.1%
118.5	1	< 0.1%
112	1	< 0.1%
110	1	< 0.1%

total_sulfur_dioxide
Real number (ℝ)

High correlation

Distinct	276
Distinct (%)	4.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	115.74457

Minimum	6
Maximum	440
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	6
5-th percentile	19
Q1	77
median	118
Q3	156
95-th percentile	206
Maximum	440
Range	434
Interquartile range (IQR)	79

Descriptive statistics

Standard deviation	56.521855
Coefficient of variation (CV)	0.48833265
Kurtosis	-0.37166365
Mean	115.74457
Median Absolute Deviation (MAD)	39
Skewness	-0.0011774782
Sum	751992.5
Variance	3194.72
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
111	72	1.1%
113	65	1.0%
117	57	0.9%
122	57	0.9%
128	56	0.9%
98	56	0.9%
124	56	0.9%
114	56	0.9%
118	55	0.8%
119	54	0.8%
Other values (266)	5913	91.0%

Value	Count	Frequency (%)
6	3	< 0.1%
7	4	0.1%
8	14	0.2%
9	15	0.2%
10	28	0.4%
11	26	0.4%
12	29	0.4%
13	28	0.4%
14	33	0.5%
15	35	0.5%

Value	Count	Frequency (%)
440	1	< 0.1%
366.5	1	< 0.1%
344	1	< 0.1%
313	1	< 0.1%
307.5	1	< 0.1%
303	1	< 0.1%
294	1	< 0.1%
289	1	< 0.1%
282	1	< 0.1%
278	1	< 0.1%

density
Real number (ℝ)

High correlation

Distinct	998
Distinct (%)	15.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.99469663

Minimum	0.98711
Maximum	1.03898
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.98711
5-th percentile	0.9899
Q1	0.99234
median	0.99489
Q3	0.99699
95-th percentile	0.999392
Maximum	1.03898
Range	0.05187
Interquartile range (IQR)	0.00465

Descriptive statistics

Standard deviation	0.002998673
Coefficient of variation (CV)	0.0030146609
Kurtosis	6.606067
Mean	0.99469663
Median Absolute Deviation (MAD)	0.00231
Skewness	0.50360173
Sum	6462.544
Variance	8.9920398 × 10^-6
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.9972	69	1.1%
0.9976	69	1.1%
0.998	64	1.0%
0.992	64	1.0%
0.9928	63	1.0%
0.9986	61	0.9%
0.9962	59	0.9%
0.9966	59	0.9%
0.9968	55	0.8%
0.9956	55	0.8%
Other values (988)	5879	90.5%

Value	Count	Frequency (%)
0.98711	1	< 0.1%
0.98713	1	< 0.1%
0.98722	1	< 0.1%
0.9874	1	< 0.1%
0.98742	2	< 0.1%
0.98746	2	< 0.1%
0.98758	1	< 0.1%
0.98774	1	< 0.1%
0.98779	1	< 0.1%
0.98794	2	< 0.1%

Value	Count	Frequency (%)
1.03898	1	< 0.1%
1.0103	2	< 0.1%
1.00369	2	< 0.1%
1.0032	1	< 0.1%
1.00315	3	< 0.1%
1.00295	2	< 0.1%
1.00289	1	< 0.1%
1.0026	2	< 0.1%
1.00242	2	< 0.1%
1.00241	1	< 0.1%

pH
Real number (ℝ)

Distinct	108
Distinct (%)	1.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	3.2185008

Minimum	2.72
Maximum	4.01
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	2.72
5-th percentile	2.97
Q1	3.11
median	3.21
Q3	3.32
95-th percentile	3.5
Maximum	4.01
Range	1.29
Interquartile range (IQR)	0.21

Descriptive statistics

Standard deviation	0.1607872
Coefficient of variation (CV)	0.049957173
Kurtosis	0.36765727
Mean	3.2185008
Median Absolute Deviation (MAD)	0.11
Skewness	0.3868388
Sum	20910.6
Variance	0.025852524
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3.16	200	3.1%
3.14	193	3.0%
3.22	185	2.8%
3.2	176	2.7%
3.19	170	2.6%
3.15	170	2.6%
3.18	168	2.6%
3.24	161	2.5%
3.12	154	2.4%
3.1	154	2.4%
Other values (98)	4766	73.4%

Value	Count	Frequency (%)
2.72	1	< 0.1%
2.74	2	< 0.1%
2.77	1	< 0.1%
2.79	3	< 0.1%
2.8	3	< 0.1%
2.82	1	< 0.1%
2.83	4	0.1%
2.84	1	< 0.1%
2.85	9	0.1%
2.86	10	0.2%

Value	Count	Frequency (%)
4.01	2	< 0.1%
3.9	2	< 0.1%
3.85	1	< 0.1%
3.82	1	< 0.1%
3.81	1	< 0.1%
3.8	2	< 0.1%
3.79	1	< 0.1%
3.78	2	< 0.1%
3.77	2	< 0.1%
3.76	2	< 0.1%

sulphates
Real number (ℝ)

Distinct	111
Distinct (%)	1.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	0.53126828

Minimum	0.22
Maximum	2
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	0.22
5-th percentile	0.35
Q1	0.43
median	0.51
Q3	0.6
95-th percentile	0.79
Maximum	2
Range	1.78
Interquartile range (IQR)	0.17

Descriptive statistics

Standard deviation	0.14880587
Coefficient of variation (CV)	0.28009554
Kurtosis	8.6536988
Mean	0.53126828
Median Absolute Deviation (MAD)	0.08
Skewness	1.79727
Sum	3451.65
Variance	0.022143188
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0.5	276	4.2%
0.46	243	3.7%
0.54	235	3.6%
0.44	232	3.6%
0.38	214	3.3%
0.48	208	3.2%
0.52	203	3.1%
0.49	197	3.0%
0.47	191	2.9%
0.45	190	2.9%
Other values (101)	4308	66.3%

Value	Count	Frequency (%)
0.22	1	< 0.1%
0.23	1	< 0.1%
0.25	4	0.1%
0.26	4	0.1%
0.27	13	0.2%
0.28	13	0.2%
0.29	16	0.2%
0.3	31	0.5%
0.31	35	0.5%
0.32	54	0.8%

Value	Count	Frequency (%)
2	1	< 0.1%
1.98	1	< 0.1%
1.95	2	< 0.1%
1.62	1	< 0.1%
1.61	1	< 0.1%
1.59	1	< 0.1%
1.56	1	< 0.1%
1.36	3	< 0.1%
1.34	1	< 0.1%
1.33	1	< 0.1%

alcohol
Real number (ℝ)

High correlation

Distinct	111
Distinct (%)	1.7%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	10.491801

Minimum	8
Maximum	14.9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	8
5-th percentile	9
Q1	9.5
median	10.3
Q3	11.3
95-th percentile	12.7
Maximum	14.9
Range	6.9
Interquartile range (IQR)	1.8

Descriptive statistics

Standard deviation	1.1927117
Coefficient of variation (CV)	0.11368037
Kurtosis	-0.53168738
Mean	10.491801
Median Absolute Deviation (MAD)	0.9
Skewness	0.56571773
Sum	68165.23
Variance	1.4225613
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
9.5	367	5.6%
9.4	332	5.1%
9.2	271	4.2%
10	229	3.5%
10.5	227	3.5%
11	217	3.3%
9	215	3.3%
9.8	214	3.3%
10.4	194	3.0%
9.3	193	3.0%
Other values (101)	4038	62.2%

Value	Count	Frequency (%)
8	2	< 0.1%
8.4	5	0.1%
8.5	10	0.2%
8.6	23	0.4%
8.7	80	1.2%
8.8	109	1.7%
8.9	95	1.5%
9	215	3.3%
9.05	1	< 0.1%
9.1	167	2.6%

Value	Count	Frequency (%)
14.9	1	< 0.1%
14.2	1	< 0.1%
14.05	1	< 0.1%
14	12	0.2%
13.9	3	< 0.1%
13.8	2	< 0.1%
13.7	7	0.1%
13.6	13	0.2%
13.56666667	1	< 0.1%
13.55	1	< 0.1%

quality
Real number (ℝ)

Distinct	7
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	5.8183777

Minimum	3
Maximum	9
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	50.9 KiB

Quantile statistics

Minimum	3
5-th percentile	5
Q1	5
median	6
Q3	6
95-th percentile	7
Maximum	9
Range	6
Interquartile range (IQR)	1

Descriptive statistics

Standard deviation	0.87325527
Coefficient of variation (CV)	0.1500857
Kurtosis	0.23232227
Mean	5.8183777
Median Absolute Deviation (MAD)	1
Skewness	0.18962269
Sum	37802
Variance	0.76257477
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=7)

Value	Count	Frequency (%)
6	2836	43.7%
5	2138	32.9%
7	1079	16.6%
4	216	3.3%
8	193	3.0%
3	30	0.5%
9	5	0.1%

Value	Count	Frequency (%)
3	30	0.5%
4	216	3.3%
5	2138	32.9%
6	2836	43.7%
7	1079	16.6%
8	193	3.0%
9	5	0.1%

Value	Count	Frequency (%)
9	5	0.1%
8	193	3.0%
7	1079	16.6%
6	2836	43.7%
5	2138	32.9%
4	216	3.3%
3	30	0.5%

	alcohol	chlorides	citric_acid	density	fixed_acidity	free_sulfur_dioxide	pH	quality	residual_sugar	sulphates	total_sulfur_dioxide	volatile_acidity
alcohol	1.000	-0.401	0.020	-0.699	-0.111	-0.186	0.140	0.447	-0.329	0.005	-0.309	-0.024
chlorides	-0.401	1.000	-0.074	0.591	0.356	-0.260	0.164	-0.295	-0.036	0.370	-0.268	0.416
citric_acid	0.020	-0.074	1.000	0.066	0.271	0.122	-0.286	0.106	0.075	0.037	0.159	-0.295
density	-0.699	0.591	0.066	1.000	0.434	0.006	0.012	-0.323	0.527	0.275	0.062	0.261
fixed_acidity	-0.111	0.356	0.271	0.434	1.000	-0.260	-0.250	-0.098	-0.032	0.220	-0.233	0.200
free_sulfur_dioxide	-0.186	-0.260	0.122	0.006	-0.260	1.000	-0.165	0.087	0.388	-0.221	0.741	-0.366
pH	0.140	0.164	-0.286	0.012	-0.250	-0.165	1.000	0.033	-0.229	0.254	-0.243	0.195
quality	0.447	-0.295	0.106	-0.323	-0.098	0.087	0.033	1.000	-0.017	0.030	-0.055	-0.258
residual_sugar	-0.329	-0.036	0.075	0.527	-0.032	0.388	-0.229	-0.017	1.000	-0.138	0.455	-0.064
sulphates	0.005	0.370	0.037	0.275	0.220	-0.221	0.254	0.030	-0.138	1.000	-0.257	0.255
total_sulfur_dioxide	-0.309	-0.268	0.159	0.062	-0.233	0.741	-0.243	-0.055	0.455	-0.257	1.000	-0.344
volatile_acidity	-0.024	0.416	-0.295	0.261	0.200	-0.366	0.195	-0.258	-0.064	0.255	-0.344	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

	fixed_acidity	volatile_acidity	citric_acid	residual_sugar	chlorides	free_sulfur_dioxide	total_sulfur_dioxide	density	pH	sulphates	alcohol	quality
0	7.4	0.70	0.00	1.9	0.076	11.0	34.0	0.9978	3.51	0.56	9.4	5
1	7.8	0.88	0.00	2.6	0.098	25.0	67.0	0.9968	3.20	0.68	9.8	5
2	7.8	0.76	0.04	2.3	0.092	15.0	54.0	0.9970	3.26	0.65	9.8	5
3	11.2	0.28	0.56	1.9	0.075	17.0	60.0	0.9980	3.16	0.58	9.8	6
4	7.4	0.70	0.00	1.9	0.076	11.0	34.0	0.9978	3.51	0.56	9.4	5
5	7.4	0.66	0.00	1.8	0.075	13.0	40.0	0.9978	3.51	0.56	9.4	5
6	7.9	0.60	0.06	1.6	0.069	15.0	59.0	0.9964	3.30	0.46	9.4	5
7	7.3	0.65	0.00	1.2	0.065	15.0	21.0	0.9946	3.39	0.47	10.0	7
8	7.8	0.58	0.02	2.0	0.073	9.0	18.0	0.9968	3.36	0.57	9.5	7
9	7.5	0.50	0.36	6.1	0.071	17.0	102.0	0.9978	3.35	0.80	10.5	5

	fixed_acidity	volatile_acidity	citric_acid	residual_sugar	chlorides	free_sulfur_dioxide	total_sulfur_dioxide	density	pH	sulphates	alcohol	quality
6487	6.8	0.220	0.36	1.20	0.052	38.0	127.0	0.99330	3.04	0.54	9.2	5
6488	4.9	0.235	0.27	11.75	0.030	34.0	118.0	0.99540	3.07	0.50	9.4	6
6489	6.1	0.340	0.29	2.20	0.036	25.0	100.0	0.98938	3.06	0.44	11.8	6
6490	5.7	0.210	0.32	0.90	0.038	38.0	121.0	0.99074	3.24	0.46	10.6	6
6491	6.5	0.230	0.38	1.30	0.032	29.0	112.0	0.99298	3.29	0.54	9.7	5
6492	6.2	0.210	0.29	1.60	0.039	24.0	92.0	0.99114	3.27	0.50	11.2	6
6493	6.6	0.320	0.36	8.00	0.047	57.0	168.0	0.99490	3.15	0.46	9.6	5
6494	6.5	0.240	0.19	1.20	0.041	30.0	111.0	0.99254	2.99	0.46	9.4	6
6495	5.5	0.290	0.30	1.10	0.022	20.0	110.0	0.98869	3.34	0.38	12.8	7
6496	6.0	0.210	0.38	0.80	0.020	22.0	98.0	0.98941	3.26	0.32	11.8	6

Most frequently occurring

	fixed_acidity	volatile_acidity	citric_acid	residual_sugar	chlorides	free_sulfur_dioxide	total_sulfur_dioxide	density	pH	sulphates	alcohol	quality	# duplicates
461	7.0	0.15	0.28	14.7	0.051	29.0	149.0	0.99792	2.96	0.39	9.0	7	8
623	7.3	0.19	0.27	13.9	0.057	45.0	155.0	0.99807	2.94	0.41	8.8	8	8
361	6.8	0.18	0.30	12.8	0.062	19.0	171.0	0.99808	3.00	0.52	9.0	7	7
662	7.4	0.16	0.30	13.7	0.056	33.0	168.0	0.99825	2.90	0.44	8.7	7	7
661	7.4	0.16	0.27	15.5	0.050	25.0	135.0	0.99840	2.90	0.43	8.7	7	6
665	7.4	0.19	0.30	12.8	0.053	48.5	229.0	0.99860	3.14	0.49	9.1	7	6
666	7.4	0.19	0.31	14.5	0.045	39.0	193.0	0.99860	3.10	0.50	9.2	6	6
729	7.6	0.20	0.30	14.2	0.056	53.0	212.5	0.99900	3.14	0.46	8.9	8	6
32	5.7	0.22	0.20	16.0	0.044	41.0	113.0	0.99862	3.22	0.46	8.9	6	5
119	6.2	0.23	0.36	17.2	0.039	37.0	130.0	0.99946	3.23	0.43	8.8	6	5

Overview

Interactions

Correlations

Missing values

Sample

Duplicate rows

Most frequently occurring

Overview

Variables

Interactions

Correlations

Missing values

Sample

Duplicate rows

Most frequently occurring